build-and-release.yml

name: CI

on:
  push:
    branches: [main]
    tags: ['v*']
  pull_request:
    branches: [main]

permissions:
  contents: read

jobs:
  build:
    name: Build & Test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.23'

      - name: Download dependencies
        run: go mod download

      - name: Vet
        run: go vet ./...

      - name: Lint
        uses: golangci/golangci-lint-action@v6
        with:
          version: latest

      - name: Build
        run: CGO_ENABLED=0 go build -o kshark ./cmd/kshark

      - name: Test
        run: go test ./... -v -race -timeout 120s -coverprofile=coverage.out

      - name: Coverage report
        run: go tool cover -func=coverage.out

      - name: Coverage gate
        run: |
          TOTAL=$(go tool cover -func=coverage.out | grep '^total:' | awk '{print substr($3, 1, length($3)-1)}')
          echo "Total coverage: ${TOTAL}%"
          THRESHOLD=40
          if [ "$(echo "$TOTAL < $THRESHOLD" | bc)" -eq 1 ]; then
            echo "::error::Coverage ${TOTAL}% is below ${THRESHOLD}% minimum"
            exit 1
          fi

      - name: Vulnerability check
        run: |
          go install golang.org/x/vuln/cmd/govulncheck@latest
          govulncheck ./...

  release:
    name: Release
    needs: build
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
      id-token: write  # Required for keyless cosign signing via GitHub OIDC
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.23'

      - name: Install cosign
        uses: sigstore/cosign-installer@v3

      - name: Install syft (SBOM generator)
        uses: anchore/sbom-action/download-syft@v0

      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v5
        with:
          distribution: goreleaser
          version: latest
          args: release --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}